Cutting-off insert



FIG. 1 is a top, right side perspective view of a cutting-off insert showing the first embodiment of our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a back end view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front end view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top, right side perspective view of a second embodiment showing our new design;

FIG. 8 is a left side view thereof;

FIG. 9 is a back end view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a front end view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top, right perspective view of a third embodiment showing our new design;

FIG. 14 is a left side view thereof;

FIG. 15 is a back end view thereof;

FIG. 16 is a top view thereof;

FIG. 17 is a front end view thereof; and,

FIG. 18 is a right side view thereof. 

The ornamental design for a cutting-off insert, as shown and described. 